APA aipamena

Urban, J., & Roberts, S. (1995). Development and degeneration of the intervertebral discs.

Chicago Style aipamena

Urban, J., and S. Roberts. Development and Degeneration of the Intervertebral Discs. 1995.

MLA aipamena

Urban, J., and S. Roberts. Development and Degeneration of the Intervertebral Discs. 1995.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.